Steel structure for building curtain wall glass

Abstract

The application relates to the technical field of building curtain wall, and provides a steel structure for building curtain wall glass, which comprises a wall body and a first steel frame, equidistantly distributed H-shaped channel steels are fixedly arranged on one side of the wall body through screws, second steel frames are arranged around the first steel frame, mounting assemblies are arranged at the corner joint of the first steel frame and the second steel frame and the corner joint of the second steel frame and the second steel frame, the mounting assemblies are arranged on one side of the H-shaped channel steel, and sealing rubber frames are fixedly arranged on the inner walls around the first steel frame. In the application, the whole steel structure for building curtain wall has the ventilation and heat dissipation performance, the steel structure for building curtain wall has the activity, the service life and the safety during use of the curtain wall glass are maintained, the problem that the glass on both sides is unevenly heated due to the too large temperature difference between indoor and outdoor is avoided, the cracking of the glass curtain wall is avoided, and the whole steel structure for building curtain wall has the convenient installation effect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building curtain wall, and particularly relates to a steel structure for building curtain wall glass. BACKGROUND

[0002] Glass curtain wall refers to a building envelope or decoration structure which has a certain displacement capacity relative to the main structure and does not share the action of the main structure. The wall has single and double-layer glass. Glass curtain wall is a novel and beautiful decoration method of building wall and is a significant feature of modern high-rise building era. The glass curtain wall of modern high-rise building adopts mirror glass and ordinary glass combination, and the space between the layers is filled with dry air or inert gas. The hollow glass has two and three layers. Two-layer hollow glass is composed of two layers of glass and a sealed frame to form a sandwich space. Three-layer glass is composed of three layers of glass to form two sandwich spaces. Hollow glass has the advantages of sound insulation, heat insulation, anti-frosting, moisture resistance and high wind pressure resistance. The room using hollow glass curtain wall can be warm in winter and cool in summer, greatly improving the living environment.

[0003] After searching, a glass curtain wall steel structure (patent number CN217379415U) belongs to the technical field of building steel structure, which solves the problem of poor stability of the existing glass curtain wall structure. The glass curtain wall steel structure includes: I-shaped steel, which is provided with multiple I-shaped steels, and the multiple I-shaped steels are arranged parallel to each other and installed on the wall body; glass frame body, which is arrayed and fixedly connected to the I-shaped steel; the glass frame body includes an installation frame, a support and a glass plate; the installation frame is provided with multiple installation frames, which are fixedly connected to two I-shaped steels and have a rectangular shape; the support is fixedly connected to the middle of each side of the installation frame and fixedly connected to the glass plate at the other end; the glass plate is rectangular and fixedly connected to the four sides of the glass plate. The above patent has the following shortcomings: the existing high-rise building glass is basically not movable, but there are movable structures, such as the louver glass curtain wall structure, which is used for ventilation operation inside the building. The ventilation and heat dissipation of the louver glass curtain wall structure directly affect the service life and safety of the curtain wall glass, avoid the problem of uneven heating of the glass on both sides caused by the large temperature difference between indoor and outdoor, and thus avoid the phenomenon of cracking of the glass curtain wall. Therefore, it is urgent to design a building curtain wall glass steel structure to solve the above problems. SUMMARY

[0004] The application provides a steel structure for building curtain wall glass, aiming at solving the problem that the glass of the existing high-rise building is basically inactivity, the ventilation and heat dissipation of the building directly affect the service life and safety of the curtain wall glass in use, and the problem of uneven heating of the glass on both sides caused by too large temperature difference between indoor and outdoor is avoided, so that the problem of cracking of the glass curtain wall is avoided.

[0005] The application is implemented as follows: a steel structure for building curtain wall glass, comprising a wall body and a first steel frame, H-shaped channel steels are fixedly installed on one side of the wall body at equal distances through screws, and a second steel frame is arranged around the first steel frame, an installation assembly is arranged at the corner joint of the first steel frame and the second steel frame and the corner joint of the second steel frame and the second steel frame, the installation assembly is arranged on one side of the H-shaped channel steel, a sealing rubber frame is fixedly arranged on the inner wall around the first steel frame, cavities are formed in the inner walls of the two sides of the first steel frame, installation holes penetrating through the first steel frame and the sealing rubber frame are formed in the inner walls of one side of the two cavities, installation shafts penetrating through the installation holes and arranged at equal distances are connected to the inner walls of the other side of the two cavities through pin shafts, first louver glasses are arranged between the opposite ends of the two adjacent installation shafts, installation rods are fixedly arranged on the inner walls of the top and bottom of the two ends of the first steel frame, and second louver glasses are arranged at the opposite ends of the two adjacent installation rods, the two second louver glasses are arranged at the top and bottom of the first louver glass respectively, and a rotating mechanism is arranged on the outer wall of one side of the installation shaft and in one of the cavities.

[0006] Further, the rotating mechanism comprises a gear fixedly installed on the outer wall of one side of the installation shaft, and an L-shaped rack plate in the cavity is engaged with one side of the gear, and an electric push rod is fixedly installed between the top of the inner wall of the cavity and the bottom of the L-shaped rack plate.

[0007] Further, a ventilation opening is formed in the wall body, and the position of the ventilation opening corresponds to the position of the first steel frame.

[0008] Further, an equipment cavity is formed in the bottom of one side of the first steel frame close to the ventilation opening, and a controller and a storage battery are fixedly installed on the inner wall of the equipment cavity respectively, a solar photovoltaic panel is fixedly installed on the top and the bottom of one side of the ventilation opening close to the first steel frame respectively, and the solar photovoltaic panel, the controller, the storage battery and the electric push rod are electrically connected.

[0009] Further, an inspection plate is fixedly installed on one side of the equipment cavity, and a plurality of heat dissipation openings are formed in the inspection plate.

[0010] Further, the top and bottom of the sealing frame are provided with a strip-shaped slot, and the inner wall of the strip-shaped slot is consistent with the two side inner walls of the sealing frame on the outer wall around the whole structure composed of the first louver glass and the second louver glass, and the contact surface of the first louver glass and the second louver glass and the contact surface of the second louver glass and the second louver glass are provided in the form of an inclined surface.

[0011] Further, one end of the mounting shaft and one end of the mounting rod are provided with a mounting square hole, and both ends of the first louver glass and both ends of the second louver glass are fixed with a mounting block inserted into the mounting square hole, and the mounting block and the mounting square hole are fixedly connected through a screw.

[0012] Further, the mounting assembly comprises a butt joint arc slot provided at the four corners of the first steel frame and the four corners of the second steel frame, and the butt joint arc slot is provided in the form of a quarter circle structure, and the inner walls of four adjacent butt joint arc slots are attached with the same corner clamping frame, and the corner clamping frame is attached to the two sides of the first steel frame and the two sides of the second steel frame, and a positioning through hole is provided at the middle position of the corner clamping frame, and a mounting screw hole corresponding to the positioning through hole is provided on the H-shaped channel steel, and a positioning bolt is inserted into the inner wall of the positioning through hole and screwed into the inner wall of the mounting screw hole.

[0013] Further, the four inner walls of the second steel frame are provided with a glass plate, and one side of the four inner walls of the second steel frame is fixed with a square sealing strip attached to one side of the glass plate.

[0014] The application also provides that the first steel frame and the second steel frame are respectively fixed with an upper positioning magnetic block and a lower positioning magnetic block at the top corner and the bottom corner near the wall body, and a first positioning insertion hole is provided in the upper positioning magnetic block and the lower positioning magnetic block, and a second positioning insertion hole is provided on one side of the H-shaped channel steel near the two first positioning insertion holes, and a U-shaped metal clamping rod is inserted into the two second positioning insertion holes and the two first positioning insertion holes.

[0015] After adopting the above structure, the application has the following advantages compared with the prior art:

[0016] 1、H-shaped channel steel, second steel frame, glass plate, first steel frame, mounting assembly, first louver glass, second louver glass, mounting shaft, rotating mechanism and solar photovoltaic panel are arranged in the building curtain wall glass steel structure, the first louver glass, the first steel frame and the rotating mechanism are used to form a louver structure, the louver structure is opened by the solar photovoltaic panel, the height of the L-shaped rack plate is adjusted by the electric push rod in the rotating mechanism, the mounting shaft and the first louver glass are rotated by the meshing of the L-shaped rack plate and the gear, so that the louver structure is opened, the building curtain wall steel structure has the ventilation and heat dissipation performance, the building curtain wall steel structure has the activity performance, the service life and the safety in use of the curtain wall glass are maintained, the problem that the glass is unevenly heated on both sides due to the large temperature difference between indoor and outdoor is avoided, and the phenomenon that the glass curtain wall is cracked is avoided.

[0017] 2、H-shaped channel steel, second steel frame, first steel frame and mounting assembly are arranged in the building curtain wall, the corner clamping frame in the mounting assembly is clamped in the four butt joint arc grooves formed by the first steel frame and the second steel frame, the corners of the first steel frame and the second steel frame are attached to the inside of the corner clamping frame, the positioning bolt is screwed in the mounting screw hole after passing through the positioning hole, the corner clamping frame is fixed with the H-shaped channel steel through the positioning bolt, so that the first steel frame and the second steel frame are fixed and installed on the H-shaped channel steel, and the building curtain wall steel structure has the convenient installation effect.

[0018] 3、First positioning hole, second positioning hole, upper positioning magnetic block, lower positioning magnetic block and U-shaped metal clamping rod are arranged in the first steel frame and the second steel frame, the upper positioning magnetic block is opposite to the lower positioning magnetic block and is adsorbed, the U-shaped metal clamping rod is inserted in the first positioning hole through the second positioning hole, the U-shaped metal clamping rod is adsorbed with the upper positioning magnetic block and the lower positioning magnetic block, so that the stability between the first steel frame, the second steel frame and the H-shaped channel steel is improved, and the installation stability of the building curtain wall steel structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings incorporated into the specification and forming a part thereof show embodiments consistent with the present application and, together with the specification, serve to explain the principles of the application.

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, and obviously, other drawings can be obtained by those skilled in the art without creative labor.

[0021] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0022] Figure 2 Structure diagram of the first steel frame and the second steel frame of the present application.

[0023] Figure 3 Structure diagram of the wall and the air vent of the present application.

[0024] Figure 4 Structure diagram of the sealant frame and the square sealant strip of the present application.

[0025] Figure 5 Structure diagram of the positioning bolt and the equipment cavity of the present application.

[0026] Figure 6 Expanded view of the corner clamping frame and the U-shaped metal clamping rod of the present application.

[0027] Figure 7 Side sectional view of the first steel frame of the present application.

[0028] Figure 8 Front sectional view of the first steel frame of the present application.

[0029] Figure 9 Structure diagram of the mounting block and the mounting square opening of the present application.

[0030] Reference signs:

[0031] 1, wall; 2, H-shaped channel steel; 3, second steel frame; 4, glass plate; 5, first steel frame; 6, first louver glass; 7, corner clamping frame; 8, upper positioning magnetic block; 9, U-shaped metal clamping rod; 10, butt joint arc groove; 11, mounting screw hole; 12, lower positioning magnetic block; 13, mounting hole; 14, air vent; 15, access panel; 16, sealant frame; 17, square sealant strip; 18, positioning bolt; 19, controller; 20, equipment cavity; 21, battery; 22, first positioning jack; 23, positioning perforation; 24, second positioning jack; 25, solar photovoltaic panel; 26, cavity; 27, L-shaped rack plate; 28, gear; 29, electric push rod; 30, mounting shaft; 31, second louver glass; 32, mounting block; 33, mounting square opening. DETAILED DESCRIPTION

[0032] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0033] In order to effectively describe the embodiments of the present application, the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0034] Embodiment one

[0035] Reference Figures 1-9 The utility model provides a kind of steel structure for building curtain wall glass, including wall 1 and first steel frame 5, wall 1 is fixedly installed with equidistance distribution H type channel steel 2 on one side by screw, and the four around of first steel frame 5 is provided with second steel frame 3, the corner of first steel frame 5 and second steel frame 3 is connected, the corner of second steel frame 3 and second steel frame 3 is connected, and installation component is arranged in the one side of H type channel steel 2, the inner wall of the four around of first steel frame 5 is fixedly provided with sealing rubber frame 16, and the inner wall of the two sides of first steel frame 5 is respectively provided with cavity 26, the inner wall of the one side of two cavities 26 is respectively provided with installation hole 13, which is through first steel frame 5 and sealing rubber frame 16, the inner wall of the other side of two cavities 26 is respectively provided with installation shaft 30, which is equidistance and passes through installation hole 13, the opposite end between adjacent two installation shafts 30 is provided with first louver glass 6, the inner wall of the two ends of first steel frame 5 is fixedly provided with mounting rod, and the opposite end of adjacent two mounting rods is provided with second louver glass 31, and two second louver glasses 31 are respectively arranged at the top and bottom of first louver glass 6, the outer wall one side of installation shaft 30 and the inside of one of cavity 26 are provided with rotating mechanism, utilize first louver glass 6, first steel frame 5 and rotating mechanism to form louver structure, utilize rotating mechanism to drive installation shaft 30 and first louver glass 6 to rotate, so that louver structure can be opened, so that the whole building curtain wall steel structure has ventilation and heat dissipation performance, so that the building curtain wall steel structure has activity, keeps the service life and the safety in use of curtain wall glass, avoids the problem that glass two sides are heated unevenly due to the fact that indoor and outdoor temperature difference is too large.

[0036] Further, the rotating mechanism includes a gear 28 fixedly installed on the outer wall one side of the installation shaft 30, and the gear 28 is engaged with an L-shaped rack plate 27 located in the cavity 26.

[0037] Further, a ventilation opening 14 is formed in the wall 1, and the position of the ventilation opening 14 corresponds to the position of the first steel frame 5.

[0038] Further, an equipment cavity 20 is formed in the bottom side of the first steel frame 5 near the ventilation opening 14, and a controller 19 and a battery 21 are fixedly installed on the inner wall of the equipment cavity 20, respectively. A solar photovoltaic panel 25 is fixedly installed on the top and bottom of the first steel frame 5 near the ventilation opening 14, and the solar photovoltaic panel 25, the controller 19, the battery 21, and the electric push rod 29 are electrically connected. The entire steel structure is powered by the solar photovoltaic panel 25.

[0039] Further, an access panel 15 is fixedly installed on one side of the equipment cavity 20, and a plurality of heat dissipation openings are formed in the access panel 15.

[0040] Further, the top and bottom of the sealing frame 16 are provided with a strip-shaped slot, and the inner wall of the strip-shaped slot is consistent with the two side inner walls of the sealing frame 16 on the outer wall of the whole structure composed of the first louver glass 6 and the second louver glass 31. The contact surface of the first louver glass 6 and the second louver glass 31 and the contact surface of the second louver glass 31 and the second louver glass 31 are provided in a slope shape. The sealing frame 16 is used to maintain the sealing performance of the louver structure.

[0041] Further, one end of the mounting shaft 30 and one end of the mounting rod are provided with a mounting square hole 33, and the two ends of the first louver glass 6 and the two ends of the second louver glass 31 are fixedly provided with a mounting block 32 inserted into the mounting square hole 33. The mounting block 32 and the mounting square hole 33 are fixedly connected through screws. The screw connection between the mounting block 32 and the mounting square hole 33 facilitates the disassembly and replacement of the first louver glass 6 and the second louver glass 31.

[0042] Further, the mounting assembly comprises abutting arc grooves 10 provided at the four corners of the first steel frame 5 and the four corners of the second steel frame 3, and the abutting arc grooves 10 are provided in a quarter circular structure. The inner walls of four adjacent abutting arc grooves 10 are attached to the same corner clamping frame 7, and the corner clamping frame 7 is attached to the two sides of the first steel frame 5 and the two sides of the second steel frame 3. A positioning through hole 23 is provided at the middle position of the corner clamping frame 7, and a mounting screw hole 11 corresponding to the positioning through hole 23 is provided on the H-shaped channel steel 2. A positioning bolt 18 is inserted into the inner wall of the positioning through hole 23 and screwed into the inner wall of the mounting screw hole 11. When assembling the whole building curtain wall, the corner clamping frame 7 in the mounting assembly is clamped in the four abutting arc grooves 10 composed of the first steel frame 3 and the second steel frame 5, and the corners of the first steel frame 3 and the second steel frame 5 are attached to the inside of the corner clamping frame 7. Then the positioning bolt 18 is screwed into the mounting screw hole 11 after passing through the positioning through hole 23, so that the corner clamping frame 7 is fixed to the H-shaped channel steel 2 through the positioning bolt 18. Therefore, the first steel frame 5 and the second steel frame 3 are fixedly installed on the H-shaped channel steel 2, so that the whole building curtain wall steel structure has the effect of convenient installation.

[0043] Further, the four inner walls of the second steel frame 3 are provided with a glass plate 4, and one side of the four inner walls of the second steel frame 3 is fixedly provided with a square sealing strip 17 attached to one side of the glass plate 4.

[0044] Example Two

[0045] Reference Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6Compared with embodiment 1, the first steel frame 5 and the second steel frame 3 are respectively fixed with upper positioning magnetic blocks 8 and lower positioning magnetic blocks 12 at the top corner and the bottom corner close to the wall body 1, and the first positioning insertion holes 22 are arranged in the upper positioning magnetic blocks 8 and the lower positioning magnetic blocks 12; the H-shaped channel steel 2 is provided with second positioning insertion holes 24 close to the two first positioning insertion holes 22, and the same U-shaped metal clamping rod 9 is inserted into the two second positioning insertion holes 24 and the two first positioning insertion holes 22; when the first steel frame 5 and the second steel frame 3 are installed, the upper positioning magnetic blocks 8 and the lower positioning magnetic blocks 12 are connected and adsorbed, and the U-shaped metal clamping rod 9 is inserted into the first positioning insertion hole 22 through the second positioning insertion hole 24, so that the U-shaped metal clamping rod 9 is adsorbed with the upper positioning magnetic blocks 8 and the lower positioning magnetic blocks 12, and the stability between the first steel frame 5, the second steel frame 3 and the H-shaped channel steel 2 is improved.

[0046] In summary, by means of the technical scheme of the present application: the first louver glass 6, the first steel frame 5 and the rotating mechanism are used to form a louver structure, that is, the entire device is powered by the solar photovoltaic panel 25, the height of the L-shaped rack plate 27 is adjusted by the electric push rod 29 in the rotating mechanism, the installation shaft 30 and the first louver glass 6 are rotated by the meshing of the L-shaped rack plate 27 and the gear 28, so that the louver structure can be opened, the building curtain wall steel structure has ventilation and heat dissipation performance, the building curtain wall steel structure has activity, the service life and safety of the curtain wall glass are maintained, the problem of uneven heating of the glass on both sides caused by too large temperature difference between indoor and outdoor is avoided, so that the phenomenon of cracking of the glass curtain wall is avoided, when the entire building curtain wall is assembled, the corner clamping frame 7 in the mounting assembly is clamped in the four butt joint arc grooves 10 formed by the first steel frame 3 and the second steel frame 5, and the corners of the first steel frame 3 and the second steel frame 5 are fitted in the inside of the corner clamping frame 7, then the positioning bolt 18 is screwed into the mounting screw hole 11 after passing through the positioning hole 23, so that the corner clamping frame 7 is fixed with the H-shaped channel steel 2 through the positioning bolt 18, so that the first steel frame 5 and the second steel frame 3 are fixed and installed on the H-shaped channel steel 2, and the entire building curtain wall steel structure has the effect of convenient installation, when the first steel frame 5 and the second steel frame 3 are installed, the upper positioning magnetic blocks 8 and the lower positioning magnetic blocks 12 are connected and adsorbed, and the U-shaped metal clamping rod 9 is inserted into the first positioning insertion hole 22 through the second positioning insertion hole 24, so that the U-shaped metal clamping rod 9 is adsorbed with the upper positioning magnetic blocks 8 and the lower positioning magnetic blocks 12, thereby improving the stability between the first steel frame 5, the second steel frame 3 and the H-shaped channel steel 2, and improving the installation stability of the entire building curtain wall steel structure.

[0047] Finally, it should be noted that: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", "fixing" should be broadly understood, which can be mechanical connection or electrical connection, or the internal communication of two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0048] Secondly: the drawings of the disclosed embodiments of the present application only involve the structures involved in the disclosed embodiments of the present application, other structures can refer to the usual design, and in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other;

[0049] Finally: the above only describes the preferred embodiments of the present application and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

[0050] The above only describes the preferred embodiments of the present application and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A steel structure for building curtain wall glass, comprising a wall (1) and a first steel frame (5), characterized in that, H-shaped channel steels (2) are fixedly installed at equal intervals on one side of the wall (1) by screws, and second steel frames (3) are provided around the first steel frame (5). Installation components are provided at the corner joints of the first steel frame (5) and the second steel frame (3), and at the corner joints of the second steel frame (3) and the second steel frame (3). The installation components are located on one side of the H-shaped channel steels (2). Sealing glue frames (16) are fixedly installed on the inner walls of the first steel frame (5), and cavities (26) are opened inside both sides of the first steel frame (5). A through-hole and sealing glue is opened on one side of the inner wall of each of the two cavities (26). The mounting holes (13) of the frame (16) and the inner walls of the other side of the two cavities (26) are connected by pins with mounting shafts (30) that are equidistant and pass through the mounting holes (13). A first louvered glass (6) is provided between the opposite ends of two adjacent mounting shafts (30). Mounting rods are fixed at the top and bottom of the inner walls of both ends of the first steel frame (5), and a second louvered glass (31) is provided at the opposite ends of two adjacent mounting rods. The two second louvered glass (31) are respectively provided at the top and bottom of the first louvered glass (6). A rotating mechanism is provided on one side of the outer wall of the mounting shaft (30) and inside one of the cavities (26). The rotating mechanism includes a gear (28) fixedly installed on one side of the outer wall of the mounting shaft (30), and one side of the gear (28) meshes with an L-shaped rack plate (27) located in the cavity (26). An electric push rod (29) is fixedly installed between the top of the inner wall of the cavity (26) and the bottom of the L-shaped rack plate (27). The wall (1) is provided with a ventilation opening (14), and the position of the ventilation opening (14) corresponds to the position of the first steel frame (5); The first steel frame (5) has an equipment cavity (20) at the bottom of the side near the ventilation opening (14), and the inner wall of the equipment cavity (20) is fixedly installed with a controller (19) and a storage battery (21). The top and bottom of the ventilation opening (14) near the first steel frame (5) are fixedly installed with solar photovoltaic panels (25), and the solar photovoltaic panels (25), controller (19), storage battery (21) and electric push rod (29) are electrically connected. A maintenance plate (15) is fixedly installed on one side of the equipment cavity (20), and multiple heat dissipation holes are provided on the maintenance plate (15). The top and bottom of the sealing frame (16) are provided with strip grooves, and the inner wall of the strip grooves matches the inner walls of both sides of the sealing frame (16). The outer walls of the integral structure formed by the first louver (6) and the second louver (31) are provided. The contact surfaces of the first louver (6) and the second louver (31) and the contact surfaces of the second louver (31) and the second louver (31) are set as inclined surfaces. One end of the mounting shaft (30) and one end of the mounting rod are provided with mounting openings (33), and both ends of the first louver glass (6) and the second louver glass (31) are fixed with mounting blocks (32) inserted into the mounting openings (33). The mounting blocks (32) and the mounting openings (33) are fixedly connected by screws. The mounting assembly includes mating arc grooves (10) formed at the four corners of the first steel frame (5) and the four corners of the second steel frame (3), and the mating arc grooves (10) are set as a quarter-circle structure. The inner walls of the four adjacent mating arc grooves (10) are fitted with the same corner bracket (7), and the corner bracket (7) is fitted on both sides of the first steel frame (5) and both sides of the second steel frame (3). A positioning through hole (23) is provided in the middle position of the corner bracket (7), and a mounting screw hole (11) corresponding to the positioning through hole (23) is provided on the H-shaped channel steel (2). A positioning bolt (18) screwed into the inner wall of the mounting screw hole (11) is inserted into the inner wall of the positioning through hole (23). The first steel frame (5) and the second steel frame (3) are respectively fixed with an upper positioning magnetic block (8) and a lower positioning magnetic block (12) at the top corner and bottom corner of the side of the wall (1) near the wall. The upper positioning magnetic block (8) and the lower positioning magnetic block (12) are respectively provided with a first positioning insertion hole (22). The H-shaped channel steel (2) is provided with a second positioning insertion hole (24) on the side of the two first positioning insertion holes (22). The same U-shaped metal rod (9) is inserted into the inside of the two second positioning insertion holes (24) and the inside of the two first positioning insertion holes (22).

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